* {
  border: 0;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Microsoft Yahei;
  box-sizing: border-box;
  -webkit-user-select: auto;
  user-select: auto;
  scrollbar-width: none;
  -webkit-tap-highlight-color: transparent;
  .icon {
    width: 2em;
    height: 2em;
    vertical-align: top;
    vertical-align: -0.7em;
    fill: currentColor;
    overflow: hidden;
  }
}
#app {
  overflow: hidden;
}

button, input, optgroup, select, textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
}

li{
  list-style: none;
}

button, input {
  overflow: visible;
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  border: none;
  background: none;
  padding: 0;
}


